prosody
a3f6cc3417f2
plugins/muc/muc.lib.lua

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plugins/muc/muc.lib.lua @ 2880:a3f6cc3417f2

MUC: Added support for letting clients manage discussion history.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 17 Mar 2010 03:16:43 +0500
parent 2658:a4879b1e6cde
child 2926:fc96d439453b
comparison
equal deleted inserted replaced
2879:94299e640ed0 2880:a3f6cc3417f2
120 stanza.attr.to = to; 120 stanza.attr.to = to;
121 if historic then -- add to history 121 if historic then -- add to history
122 local history = self._data['history']; 122 local history = self._data['history'];
123 if not history then history = {}; self._data['history'] = history; end 123 if not history then history = {}; self._data['history'] = history; end
124 stanza = st.clone(stanza); 124 stanza = st.clone(stanza);
125 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203 125 stanza.attr.to = "";
126 local stamp = datetime.datetime();
127 local chars = #tostring(stanza);
128 stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = stamp}):up(); -- XEP-0203
126 stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated) 129 stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
127 t_insert(history, st.preserialize(stanza)); 130 local entry = { stanza = stanza, stamp = stamp };
131 t_insert(history, entry);
128 while #history > history_length do t_remove(history, 1) end 132 while #history > history_length do t_remove(history, 1) end
129 end 133 end
130 end 134 end
131 function room_mt:broadcast_except_nick(stanza, nick) 135 function room_mt:broadcast_except_nick(stanza, nick)
132 for rnick, occupant in pairs(self._occupants) do 136 for rnick, occupant in pairs(self._occupants) do
149 :tag("item", {affiliation=o_data.affiliation or "none", role=o_data.role or "none"}):up(); 153 :tag("item", {affiliation=o_data.affiliation or "none", role=o_data.role or "none"}):up();
150 self:_route_stanza(pres); 154 self:_route_stanza(pres);
151 end 155 end
152 end 156 end
153 end 157 end
154 function room_mt:send_history(to) 158 function room_mt:send_history(to, stanza)
155 local history = self._data['history']; -- send discussion history 159 local history = self._data['history']; -- send discussion history
156 if history then 160 if history then
157 for _, msg in ipairs(history) do 161 local x_tag = stanza and stanza:get_child("x", "http://jabber.org/protocol/muc");
158 msg = st.deserialize(msg); 162 local history_tag = x_tag and x_tag:get_child("history", "http://jabber.org/protocol/muc");
159 msg.attr.to=to; 163
164 local maxchars = history_tag and tonumber(history_tag.attr.maxchars);
165 if maxchars then maxchars = math.floor(maxchars); end
166
167 local maxstanzas = math.floor(history_tag and tonumber(history_tag.attr.maxstanzas) or #history);
168 if not history_tag then maxstanzas = 20; end
169
170 local seconds = history_tag and tonumber(history_tag.attr.seconds);
171 if seconds then seconds = datetime.datetime(os.time() - math.floor(seconds)); end
172
173 local since = history_tag and history_tag.attr.since;
174 if since and not since:match("^%d%d%d%d%-%d%d%-%d%dT%d%d:%d%d:%d%dZ$") then since = nil; end -- FIXME timezone support
175 if seconds and (not since or since < seconds) then since = seconds; end
176
177 local n = 0;
178 local charcount = 0;
179 local stanzacount = 0;
180
181 for i=#history,1,-1 do
182 local entry = history[i];
183 if maxchars then
184 if not entry.chars then
185 entry.stanza.attr.to = "";
186 entry.chars = #tostring(entry.stanza);
187 end
188 charcount = charcount + entry.chars + #to;
189 if charcount > maxchars then break; end
190 end
191 if since and since > entry.stamp then break; end
192 if n + 1 > maxstanzas then break; end
193 n = n + 1;
194 end
195 for i=#history-n+1,#history do
196 local msg = history[i].stanza;
197 msg.attr.to = to;
160 self:_route_stanza(msg); 198 self:_route_stanza(msg);
161 end 199 end
162 end 200 end
163 if self._data['subject'] then 201 if self._data['subject'] then
164 self:_route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject'])); 202 self:_route_stanza(st.message({type='groupchat', from=self.jid, to=to}):tag("subject"):text(self._data['subject']));
317 pr.attr.to = from; 355 pr.attr.to = from;
318 self:_route_stanza(pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'}) 356 self:_route_stanza(pr:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
319 :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up() 357 :tag("item", {affiliation=affiliation or "none", role=role or "none"}):up()
320 :tag("status", {code='110'})); 358 :tag("status", {code='110'}));
321 end 359 end
322 self:send_history(from); 360 self:send_history(from, stanza);
323 else -- banned 361 else -- banned
324 local reply = st.error_reply(stanza, "auth", "forbidden"):up(); 362 local reply = st.error_reply(stanza, "auth", "forbidden"):up();
325 reply.tags[1].attr.code = "403"; 363 reply.tags[1].attr.code = "403";
326 origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); 364 origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
327 end 365 end